k8s.io/client-go@v0.31.1/tools/clientcmd/helpers.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package clientcmd
    18  
    19  import (
    20  	"fmt"
    21  	"net/url"
    22  	"strconv"
    23  	"time"
    24  )
    25  
    26  // ParseTimeout returns a parsed duration from a string
    27  // A duration string value must be a positive integer, optionally followed by a corresponding time unit (s|m|h).
    28  func ParseTimeout(duration string) (time.Duration, error) {
    29  	if i, err := strconv.ParseInt(duration, 10, 64); err == nil && i >= 0 {
    30  		return (time.Duration(i) * time.Second), nil
    31  	}
    32  	if requestTimeout, err := time.ParseDuration(duration); err == nil {
    33  		return requestTimeout, nil
    34  	}
    35  	return 0, fmt.Errorf("Invalid timeout value. Timeout must be a single integer in seconds, or an integer followed by a corresponding time unit (e.g. 1s | 2m | 3h)")
    36  }
    37  
    38  func parseProxyURL(proxyURL string) (*url.URL, error) {
    39  	u, err := url.Parse(proxyURL)
    40  	if err != nil {
    41  		return nil, fmt.Errorf("could not parse: %v", proxyURL)
    42  	}
    43  
    44  	switch u.Scheme {
    45  	case "http", "https", "socks5":
    46  	default:
    47  		return nil, fmt.Errorf("unsupported scheme %q, must be http, https, or socks5", u.Scheme)
    48  	}
    49  	return u, nil
    50  }